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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, RCS (Joint) |
2012-12-14 13:30 |
Ehime | Ehime Univ. | Field Experiments on Throughput Considering Angle between Spatially Multiplexed Users for 4-by-2 MU-MIMO in LTE-Advanced Downlink Keisuke Saito, Yuki Inoue, Teruo Kawamura, Hidehiro Andoh (NTT DOCOMO)  RCS2012-224 |
This paper presents field experimental results on 4-by-2 multi-user (MU) multiple-input multiple-output (MIMO) when a cr... [more] | RCS2012-224 pp.245-250 |
| AP, RCS (Joint) |
2012-11-15 15:40 |
Tokyo | Tokyo Denki University | [Requested Talk] Experimental Evaluations for Downlink Multi-user MIMO with EVD-Based CSI Feedback in LTE-Advanced Teruo Kawamura, Yuki Inoue, Keisuke Saito, Shinpei Yasukawa, Hidehiro Andoh (NTT DOCOMO) AP2012-103 RCS2012-170 |
In Long Term Evolution (LTE)-Advanced, which is specified as LTE Release 10 and beyond in the 3rd Generation Partnership... [more] | AP2012-103 RCS2012-170 pp.61-66(AP), pp.55-60(RCS) |
| AP, RCS (Joint) |
2010-11-11 09:30 |
Fukui | Fukui Univ. | Influence of Terminal MIMO Antenna Polarization on MIMO Transmission Performance Using Dual Polarized Antenna Keizo Cho, Yuki Inoue (NTT DOCOMO) AP2010-97 |
Using dual-polarized antennas at base station and terminal sites are effective for MIMO systems. However, it is diffic... [more] | AP2010-97 pp.31-34 |
| AP, RCS (Joint) |
2010-11-11 09:55 |
Fukui | Fukui Univ. | Improvement of FDTD Calculation Accuracy for Printed Bent Antenna On Dielectric Substrate Yuki Inoue, Keizo Cho (NTT DOCOMO) AP2010-98 |
Focusing on antenna installation, one of the most serious problems is the limitation on installation space for additiona... [more] | AP2010-98 pp.35-39 |
| AP | 2009-09-03 10:00 |
Aomori | Hachinohe Inst. of Tech. | Antenna Selection Based on Eigenvalue in Dual-Polarized Directional MIMO Antenna Daisuke Uchida, Hiroyuki Arai (Yokohama National Univ.), Yuki Inoue, Keizo Cho (NTT DOCOMO) AP2009-80 |
In MIMO transmission, it is possible to communicate efficiently by beneficial use of radiation pattern and polarization.... [more] | AP2009-80 pp.7-12 |
| AP | 2009-09-03 10:25 |
Aomori | Hachinohe Inst. of Tech. | Experimental Pattern Control Setup for Automated Area Construction with an Evaluation Based on Throughput in Anechoic Chamber Yuki Inoue, Keizo Cho (NTT DOCOMO, INC.) AP2009-81 |
In resent years, wireless parameter settings becomes more complex as the number of base satins increases. Automated para... [more] | AP2009-81 pp.13-16 |
| AP | 2009-03-09 11:20 |
Overseas | University of Macau | Reducing Number of Measurement Report Requests for Automated Area Construction by Estimating Terminal Received Power and SIR Based on Updated Radiation Pattern Yuki Inoue, Keizo Cho (NTT DoCoMo) AP2008-214 |
Recently, small user-installed BSs such as the Femto BS have become popular. In this case, deterioration in the quality ... [more] | AP2008-214 pp.19-22 |
| AP | 2009-03-10 16:20 |
Overseas | University of Macau | A Dual Polarization 8-port MIMO Antenna with Dipole and Slot Antennas. Atsushi Suyama, Daisuke Uchida, Hiroyuki Arai (Yokohama National Univ.), Yuki Inoue, Keizo Cho (NTT DoCoMo) AP2008-234 |
It has been reported that the characteristic of channel capacity is improved when directional antennas and dual polariza... [more] | AP2008-234 pp.113-116 |
| AP | 2008-12-11 15:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation of the Automatic Area Construction Considering Horizontal-plane Antenna Pattern Control for the case of Random Arranged Base Stations Yuki Inoue, Keizo Cho (NTT DOCOMO.INC.) AP2008-147 |
An automated area construction method using antenna pattern control which can reduce the coverage hole caused by the pow... [more] | AP2008-147 pp.43-48 |
| AP, RCS (Joint) |
2008-11-20 13:25 |
Ishikawa | Kanazawa Institute of Technology | Optimum Conditions in Indoor MIMO Systems Using Directional Antennas at the Access Point Daisuke Uchida, Hiroyuki Arai (Yokohama National Univ.), Yuki Inoue, Keizo Cho (NTT DOCOMO, Inc.) AP2008-122 |
Large transmission capacity is obtained by radiation patterns and an orthogonal polarization in MIMO systems without inc... [more] | AP2008-122 pp.61-66 |
| AP, RCS (Joint) |
2008-11-21 14:25 |
Ishikawa | Kanazawa Institute of Technology | Antenna Pattern Control Method Maximizing Transmitting Power of Base Station for Automated Area Construction Yuki Inoue, Keizo Cho (NTT DOCOMO, INC.) AP2008-136 |
An automated area construction method using antenna pattern control which can reduce the coverage hole caused by the pow... [more] | AP2008-136 pp.145-149 |
| AP | 2008-03-13 11:35 |
Aichi | Nanzan Univ. | Evaluation of Automated Area Construction Method using Horizontal-plane Antenna Pattern Control based on Ray-tracing Propagation Analysis of Indoor Office Environment Yuki Inoue, Keizo Cho (NTT DoCoMo) AP2007-176 |
In resent years, automated area construction has received much attention as the promising method which can reduce the op... [more] | AP2007-176 pp.19-24 |
| AP | 2008-01-24 09:30 |
Okinawa | Tyeruru.(Naha) | Antenna Configuration Using Directivity and Orthogonal Polarization in the Indoor MIMO Systems Assuming the Wireless LAN Daisuke Uchida, Taihei Michihata, Hiroyuki Arai (Yokohama National Univ.), Yuki Inoue, Keizo Cho (NTT DoCoMo) AP2007-131 |
This report shows that the characteristic of channel capacity is improved when directional antennas and orthogonal polar... [more] | AP2007-131 pp.51-56 |
| AP, SAT (Joint) |
2007-07-19 15:30 |
Hokkaido | Daiichi-Takimotokan(Noboribetsu) | A Proposal of Horizontal-plane Antenna Pattern Control in Automated Area Construction Yuki Inoue, Keizo Cho (NTT DoCoMo) AP2007-58 |
In resent years, automated area construction has received much attention as the promising method which can reduce the op... [more] | AP2007-58 pp.95-100 |
| AP | 2007-05-17 13:25 |
Kochi | Kochi Univ. of Tech. | Directional Antenna Configuration of Indoor Base Station Antennas Considering Aspect Ratio of Rooms for MIMO systems Daisuke Uchida, Taihei Michihata, Hiroyuki Arai (Yokohama National Univ.), Yuki Inoue, Keizo Cho, Tamami Maruyama (NTT DoCoMo, Inc.) AP2007-14 |
We have examined the efficiency in the introduction of the directional antenna to the base station for the indoor propag... [more] | AP2007-14 pp.7-12 |
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